X-ray radiation source and X-ray tube

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United States of America Patent

PATENT NO 10014149
SERIAL NO

14762477

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Abstract

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In an X-ray radiation source, a counter wall made of alkali-containing glass, out of walls of a housing of an X-ray tube, is sandwiched between a filament and an electric field control electrode to each of which a negative high voltage is applied. This configuration prevents an electric field from being generated in the counter wall and thus suppresses precipitation of alkali ions from the glass. Therefore, it prevents change in potential relationship between electrodes at different potentials such as the filament, grid, and target and enables stable operation to be maintained, without occurrence of a trouble of failure in maintaining a desired X-ray amount.

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Patent Owner(s)

Patent OwnerAddress
FUTABA CORPORATIONMOBARA-SHI CHIBA-KEN
HAMAMATSU PHOTONICS K KHAMAMATSU-SHI SHIZUOKA 435-8558

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kosugi, Norimasa Hamamatsu, JP 5 6
Marushima, Yoshihisa Mobara, JP 6 29
Matsumoto, Akira Mobara, JP 285 2336
Nakamura, Kazuhito Mobara, JP 42 884
Nakamura, Tatsuya Hamamatsu, JP 206 1881
Okumura, Naoki Hamamatsu, JP 39 55
Sato, Yoshitaka Mobara, JP 115 1322

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